You are reading a research report summarizing the findings for a study of first-year teacher anxiety in the classroom. you read the following results: "teachers' perceptions of students' skill level was the most powerful predictor; it accounted for an additional 28% of the variance (ß = .35, p < .001)."from looking at the p value, you would concludea. that the alpha level was set too lowb. that the authors should have set an exact p valuec. that the result was statistically significantd. that the result indicates that there is a high chance of making a mistake